Integrand size = 16, antiderivative size = 146 \[ \int \frac {1}{\sqrt {-2+3 x^2+3 x^4}} \, dx=\frac {\sqrt {\frac {4-\left (3-\sqrt {33}\right ) x^2}{4-\left (3+\sqrt {33}\right ) x^2}} \sqrt {-4+\left (3+\sqrt {33}\right ) x^2} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {2} \sqrt [4]{33} x}{\sqrt {-4+\left (3+\sqrt {33}\right ) x^2}}\right ),\frac {1}{22} \left (11+\sqrt {33}\right )\right )}{2 \sqrt {2} \sqrt [4]{33} \sqrt {\frac {1}{4-\left (3+\sqrt {33}\right ) x^2}} \sqrt {-2+3 x^2+3 x^4}} \]
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Time = 0.03 (sec) , antiderivative size = 146, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.062, Rules used = {1112} \[ \int \frac {1}{\sqrt {-2+3 x^2+3 x^4}} \, dx=\frac {\sqrt {\frac {4-\left (3-\sqrt {33}\right ) x^2}{4-\left (3+\sqrt {33}\right ) x^2}} \sqrt {\left (3+\sqrt {33}\right ) x^2-4} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {2} \sqrt [4]{33} x}{\sqrt {\left (3+\sqrt {33}\right ) x^2-4}}\right ),\frac {1}{22} \left (11+\sqrt {33}\right )\right )}{2 \sqrt {2} \sqrt [4]{33} \sqrt {\frac {1}{4-\left (3+\sqrt {33}\right ) x^2}} \sqrt {3 x^4+3 x^2-2}} \]
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Rule 1112
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt {\frac {4-\left (3-\sqrt {33}\right ) x^2}{4-\left (3+\sqrt {33}\right ) x^2}} \sqrt {-4+\left (3+\sqrt {33}\right ) x^2} F\left (\sin ^{-1}\left (\frac {\sqrt {2} \sqrt [4]{33} x}{\sqrt {-4+\left (3+\sqrt {33}\right ) x^2}}\right )|\frac {1}{22} \left (11+\sqrt {33}\right )\right )}{2 \sqrt {2} \sqrt [4]{33} \sqrt {\frac {1}{4-\left (3+\sqrt {33}\right ) x^2}} \sqrt {-2+3 x^2+3 x^4}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 10.06 (sec) , antiderivative size = 83, normalized size of antiderivative = 0.57 \[ \int \frac {1}{\sqrt {-2+3 x^2+3 x^4}} \, dx=-\frac {i \sqrt {4-6 x^2-6 x^4} \operatorname {EllipticF}\left (i \text {arcsinh}\left (\sqrt {\frac {6}{3+\sqrt {33}}} x\right ),-\frac {7}{4}-\frac {\sqrt {33}}{4}\right )}{\sqrt {-3+\sqrt {33}} \sqrt {-2+3 x^2+3 x^4}} \]
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Result contains complex when optimal does not.
Time = 0.59 (sec) , antiderivative size = 84, normalized size of antiderivative = 0.58
method | result | size |
default | \(\frac {2 \sqrt {1-\left (\frac {3}{4}-\frac {\sqrt {33}}{4}\right ) x^{2}}\, \sqrt {1-\left (\frac {3}{4}+\frac {\sqrt {33}}{4}\right ) x^{2}}\, F\left (\frac {\sqrt {3-\sqrt {33}}\, x}{2}, \frac {i \sqrt {6}}{4}+\frac {i \sqrt {22}}{4}\right )}{\sqrt {3-\sqrt {33}}\, \sqrt {3 x^{4}+3 x^{2}-2}}\) | \(84\) |
elliptic | \(\frac {2 \sqrt {1-\left (\frac {3}{4}-\frac {\sqrt {33}}{4}\right ) x^{2}}\, \sqrt {1-\left (\frac {3}{4}+\frac {\sqrt {33}}{4}\right ) x^{2}}\, F\left (\frac {\sqrt {3-\sqrt {33}}\, x}{2}, \frac {i \sqrt {6}}{4}+\frac {i \sqrt {22}}{4}\right )}{\sqrt {3-\sqrt {33}}\, \sqrt {3 x^{4}+3 x^{2}-2}}\) | \(84\) |
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none
Time = 0.08 (sec) , antiderivative size = 41, normalized size of antiderivative = 0.28 \[ \int \frac {1}{\sqrt {-2+3 x^2+3 x^4}} \, dx=-\frac {1}{24} \, {\left (\sqrt {33} \sqrt {-2} - 3 \, \sqrt {-2}\right )} \sqrt {\sqrt {33} + 3} F(\arcsin \left (\frac {1}{2} \, x \sqrt {\sqrt {33} + 3}\right )\,|\,\frac {1}{4} \, \sqrt {33} - \frac {7}{4}) \]
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\[ \int \frac {1}{\sqrt {-2+3 x^2+3 x^4}} \, dx=\int \frac {1}{\sqrt {3 x^{4} + 3 x^{2} - 2}}\, dx \]
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\[ \int \frac {1}{\sqrt {-2+3 x^2+3 x^4}} \, dx=\int { \frac {1}{\sqrt {3 \, x^{4} + 3 \, x^{2} - 2}} \,d x } \]
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\[ \int \frac {1}{\sqrt {-2+3 x^2+3 x^4}} \, dx=\int { \frac {1}{\sqrt {3 \, x^{4} + 3 \, x^{2} - 2}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sqrt {-2+3 x^2+3 x^4}} \, dx=\int \frac {1}{\sqrt {3\,x^4+3\,x^2-2}} \,d x \]
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